What is a PRP ?
A PRP is a probable prime number, a number that nobody knows how to prove
or disprove its primality.
Here are some criterions that can be used to recognize these numbers
:
- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N
should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3.
N should pass the strong test in base b.
- or more (if someone has got an idea) !!!
Submit your PRPs
See the Top discoverers
See the Latest PRPs
Search by form
Rank |
Probable prime |
Digits (> 50000) |
Who ? |
When ? |
9001 | 2^338862+146545 | 102008 | Stefano Morozzi | 11/2022 |
9002 | 2^338863-186207 | 102008 | Stefano Morozzi | 12/2022 |
9003 | 2^338860-41429 | 102008 | Stefano Morozzi | 01/2023 |
9004 | 2^338862-115833 | 102008 | Stefano Morozzi | 01/2023 |
9005 | 2^338863+74259 | 102008 | Stefano Morozzi | 02/2023 |
9006 | 2^338863-193017 | 102008 | Stefano Morozzi | 02/2023 |
9007 | 2^338858-190185 | 102007 | Stefano Morozzi | 01/2023 |
9008 | 2^338855+102141 | 102006 | Stefano Morozzi | 12/2021 |
9009 | 2^338856-27173 | 102006 | Stefano Morozzi | 12/2021 |
9010 | 2^338856-102839 | 102006 | Stefano Morozzi | 01/2022 |
9011 | 2^338855+79629 | 102006 | Stefano Morozzi | 01/2022 |
9012 | 2^338856+47755 | 102006 | Stefano Morozzi | 11/2022 |
9013 | 2^338850+27987 | 102005 | Stefano Morozzi | 01/2022 |
9014 | 2^338853+111791 | 102005 | Stefano Morozzi | 04/2022 |
9015 | 2^338852+145797 | 102005 | Stefano Morozzi | 11/2022 |
9016 | 2^338852-88497 | 102005 | Stefano Morozzi | 12/2022 |
9017 | 2^338850+124843 | 102005 | Stefano Morozzi | 02/2023 |
9018 | 2^338853-167695 | 102005 | Stefano Morozzi | 02/2023 |
9019 | 2^338847+176013 | 102004 | Stefano Morozzi | 12/2021 |
9020 | 2^338847-2365 | 102004 | Stefano Morozzi | 12/2021 |
9021 | 2^338848+158941 | 102004 | Stefano Morozzi | 03/2022 |
9022 | 2^338848+16671 | 102004 | Stefano Morozzi | 06/2022 |
9023 | 2^338847-35061 | 102004 | Stefano Morozzi | 06/2022 |
9024 | 2^338848+145063 | 102004 | Stefano Morozzi | 11/2022 |
9025 | 2^338847-61885 | 102004 | Stefano Morozzi | 12/2022 |
9026 | 2^338845+135831 | 102003 | Stefano Morozzi | 03/2022 |
9027 | 2^338846+85695 | 102003 | Stefano Morozzi | 03/2022 |
9028 | 2^338845+186525 | 102003 | Stefano Morozzi | 04/2022 |
9029 | 2^338846-163473 | 102003 | Stefano Morozzi | 12/2022 |
9030 | 2^338844-16077 | 102003 | Stefano Morozzi | 01/2023 |
9031 | 2^338844-165143 | 102003 | Stefano Morozzi | 01/2023 |
9032 | 2^338843-127261 | 102002 | Stefano Morozzi | 12/2021 |
9033 | 2^338843+107205 | 102002 | Stefano Morozzi | 02/2022 |
9034 | 2^338842-33185 | 102002 | Stefano Morozzi | 04/2022 |
9035 | 2^338842+14227 | 102002 | Stefano Morozzi | 05/2022 |
9036 | 2^338842+147973 | 102002 | Stefano Morozzi | 11/2022 |
9044 | 8*10^102000+51 | 102001 | Robert Price | 08/2019 |
9037 | 2^338838+150837 | 102001 | Stefano Morozzi | 11/2021 |
9038 | 2^338838+141397 | 102001 | Stefano Morozzi | 06/2022 |
9039 | 2^338839+194363 | 102001 | Stefano Morozzi | 09/2022 |
9040 | 2^338838+95637 | 102001 | Stefano Morozzi | 11/2022 |
9041 | 2^338839+171545 | 102001 | Stefano Morozzi | 11/2022 |
9042 | 2^338837-40071 | 102001 | Stefano Morozzi | 01/2023 |
9043 | 2^338838-90251 | 102001 | Stefano Morozzi | 01/2023 |
9045 | 2^338835-150625 | 102000 | Stefano Morozzi | 12/2021 |
9046 | 2^338834-32877 | 102000 | Stefano Morozzi | 04/2022 |
9050 | (2^338832+642)/2 | 101999 | Stefano Morozzi | 09/2020 |
9047 | 2^338833-100905 | 101999 | Stefano Morozzi | 12/2021 |
9048 | 2^338831+54419 | 101999 | Stefano Morozzi | 01/2022 |
9049 | 2^338831-63687 | 101999 | Stefano Morozzi | 12/2022 |
9058 | 2^338829-113239 | 101998 | Enzo Doria | 07/2014 |
9059 | 2^338828-113297 | 101998 | Enzo Doria | 07/2014 |
9051 | 2^338830+25017 | 101998 | Stefano Morozzi | 11/2021 |
9052 | 2^338831+321 | 101998 | Stefano Morozzi | 11/2021 |
9053 | 2^338827-26197 | 101998 | Stefano Morozzi | 12/2021 |
9054 | 2^338829+52727 | 101998 | Stefano Morozzi | 01/2022 |
9055 | 2^338827-55461 | 101998 | Stefano Morozzi | 02/2022 |
9056 | 2^338828-65859 | 101998 | Stefano Morozzi | 01/2023 |
9057 | 2^338829+99365 | 101998 | Stefano Morozzi | 02/2023 |
9060 | 2^338825-27453 | 101997 | Stefano Morozzi | 12/2021 |
9061 | 2^338824+89355 | 101997 | Stefano Morozzi | 05/2022 |
9062 | 2^338825-10995 | 101997 | Stefano Morozzi | 06/2022 |
9063 | 2^338824+149865 | 101997 | Stefano Morozzi | 02/2023 |
9064 | 2^338822+111175 | 101996 | Stefano Morozzi | 03/2022 |
9065 | 2^338822+187819 | 101996 | Stefano Morozzi | 04/2022 |
9066 | 2^338823+139545 | 101996 | Stefano Morozzi | 05/2022 |
9067 | 2^338823-184905 | 101996 | Stefano Morozzi | 06/2022 |
9068 | 2^338821-38919 | 101996 | Stefano Morozzi | 12/2022 |
9069 | 2^338820+41317 | 101995 | Stefano Morozzi | 06/2022 |
9070 | 2^338817+46019 | 101995 | Stefano Morozzi | 11/2022 |
9071 | 2^338820+148083 | 101995 | Stefano Morozzi | 11/2022 |
9072 | 2^338817-163251 | 101995 | Stefano Morozzi | 12/2022 |
9073 | 2^338819-63705 | 101995 | Stefano Morozzi | 12/2022 |
9074 | 2^338817-92509 | 101995 | Stefano Morozzi | 02/2023 |
9075 | 2^338815+151175 | 101994 | Stefano Morozzi | 12/2021 |
9076 | 2^338814-30011 | 101994 | Stefano Morozzi | 02/2022 |
9077 | 2^338814+12309 | 101994 | Stefano Morozzi | 04/2022 |
9078 | 2^338816-60647 | 101994 | Stefano Morozzi | 06/2022 |
9079 | 2^338816+171043 | 101994 | Stefano Morozzi | 11/2022 |
9080 | 2^338814-11513 | 101994 | Stefano Morozzi | 12/2022 |
9081 | 2^338811-126999 | 101993 | Stefano Morozzi | 12/2021 |
9082 | 2^338811+131621 | 101993 | Stefano Morozzi | 02/2022 |
9083 | 2^338812-107637 | 101993 | Stefano Morozzi | 03/2022 |
9084 | 2^338813+192725 | 101993 | Stefano Morozzi | 09/2022 |
9085 | 2^338812+94731 | 101993 | Stefano Morozzi | 11/2022 |
9086 | 2^338813+49205 | 101993 | Stefano Morozzi | 02/2023 |
9087 | 2^338809-152755 | 101992 | Stefano Morozzi | 01/2022 |
9088 | 2^338808+156531 | 101992 | Stefano Morozzi | 01/2022 |
9089 | 2^338808+7885 | 101992 | Stefano Morozzi | 02/2022 |
9090 | 2^338808-105797 | 101992 | Stefano Morozzi | 02/2022 |
9091 | 2^338807-35899 | 101992 | Stefano Morozzi | 06/2022 |
9092 | 2^338808-89175 | 101992 | Stefano Morozzi | 01/2023 |
9093 | 2^338808-91475 | 101992 | Stefano Morozzi | 01/2023 |
9094 | 2^338805+29879 | 101991 | Stefano Morozzi | 01/2022 |
9095 | 2^338805+157925 | 101991 | Stefano Morozzi | 02/2022 |
9096 | 2^338804-6809 | 101991 | Stefano Morozzi | 03/2022 |
9097 | 2^338806-157095 | 101991 | Stefano Morozzi | 03/2022 |
9098 | 2^338804-133173 | 101991 | Stefano Morozzi | 04/2022 |
9099 | 2^338805-115189 | 101991 | Stefano Morozzi | 01/2023 |
9100 | 2^338802+150403 | 101990 | Stefano Morozzi | 11/2021 |
9101 | 2^338801+154587 | 101990 | Stefano Morozzi | 01/2022 |
9102 | 2^338802-180603 | 101990 | Stefano Morozzi | 02/2022 |
9103 | 2^338803-31921 | 101990 | Stefano Morozzi | 03/2022 |
9104 | 2^338803-81735 | 101990 | Stefano Morozzi | 03/2022 |
9105 | 2^338803+195141 | 101990 | Stefano Morozzi | 11/2022 |
9106 | 2^338800+160141 | 101989 | Stefano Morozzi | 03/2022 |
9107 | 2^338797-82489 | 101989 | Stefano Morozzi | 03/2022 |
9112 | 2^338796+93 | 101988 | Donovan Johnson | 06/2008 |
9108 | 2^338795+455 | 101988 | Stefano Morozzi | 11/2021 |
9109 | 2^338795-102075 | 101988 | Stefano Morozzi | 12/2021 |
9110 | 2^338794-3483 | 101988 | Stefano Morozzi | 01/2022 |
9111 | 2^338796+179641 | 101988 | Stefano Morozzi | 01/2022 |
9113 | 2^338793-5155 | 101987 | Stefano Morozzi | 02/2022 |
9114 | 2^338793+111107 | 101987 | Stefano Morozzi | 03/2022 |
9115 | 2^338791+112083 | 101987 | Stefano Morozzi | 04/2022 |
9116 | 2^338792-85097 | 101987 | Stefano Morozzi | 06/2022 |
9117 | (61*10^101986+47)/9 | 101987 | Robert Price | 07/2022 |
9118 | 2^338787+53309 | 101986 | Stefano Morozzi | 01/2022 |
9119 | 2^338787-153817 | 101986 | Stefano Morozzi | 01/2022 |
9120 | 2^338789+56229 | 101986 | Stefano Morozzi | 01/2022 |
9121 | 2^338790+6429 | 101986 | Stefano Morozzi | 01/2022 |
9122 | 2^338788+131701 | 101986 | Stefano Morozzi | 02/2022 |
9123 | 2^338785+104639 | 101985 | Stefano Morozzi | 01/2022 |
9124 | 2^338784+37591 | 101985 | Stefano Morozzi | 04/2022 |
9125 | 2^338786-9831 | 101985 | Stefano Morozzi | 04/2022 |
9126 | 2^338783+109065 | 101984 | Stefano Morozzi | 03/2022 |
9127 | 2^338779+86711 | 101983 | Stefano Morozzi | 04/2022 |
9128 | 2^338778+113589 | 101983 | Stefano Morozzi | 05/2022 |
9129 | 2^338775-30369 | 101982 | Stefano Morozzi | 02/2022 |
9130 | 2^338774+159135 | 101982 | Stefano Morozzi | 03/2022 |
9131 | 2^338776+113001 | 101982 | Stefano Morozzi | 04/2022 |
9132 | 2^338774+117039 | 101982 | Stefano Morozzi | 09/2022 |
9133 | 2^338775+167109 | 101982 | Stefano Morozzi | 09/2022 |
9134 | 2^338774+147595 | 101982 | Stefano Morozzi | 11/2022 |
9135 | 2^338772+42733 | 101981 | Stefano Morozzi | 09/2022 |
9136 | 2^338771-138805 | 101981 | Stefano Morozzi | 12/2022 |
9137 | 2^338768-181007 | 101980 | Stefano Morozzi | 02/2022 |
9138 | 2^338768+108807 | 101980 | Stefano Morozzi | 03/2022 |
9139 | 2^338767+169155 | 101980 | Stefano Morozzi | 09/2022 |
9140 | 2^338769+95369 | 101980 | Stefano Morozzi | 11/2022 |
9141 | 2^338769+195965 | 101980 | Stefano Morozzi | 11/2022 |
9142 | 2^338770-12725 | 101980 | Stefano Morozzi | 12/2022 |
9143 | 2^338768-140843 | 101980 | Stefano Morozzi | 01/2023 |
9144 | 2^338764+138013 | 101979 | Stefano Morozzi | 04/2022 |
9145 | 2^338765-160323 | 101979 | Stefano Morozzi | 06/2022 |
9146 | 2^338765+124545 | 101979 | Stefano Morozzi | 02/2023 |
9152 | lucasU(1373,1,32502)-lucasU(1373,1,32501) | 101978 | Mike Oakes | 05/2009 |
9147 | 2^338761+103671 | 101978 | Stefano Morozzi | 01/2022 |
9148 | 2^338763-7651 | 101978 | Stefano Morozzi | 03/2022 |
9149 | 2^338763+65591 | 101978 | Stefano Morozzi | 06/2022 |
9150 | 2^338762-111875 | 101978 | Stefano Morozzi | 12/2022 |
9151 | 2^338762-192237 | 101978 | Stefano Morozzi | 02/2023 |
9153 | 2^338757-5151 | 101977 | Stefano Morozzi | 02/2022 |
9154 | 2^338760-79037 | 101977 | Stefano Morozzi | 02/2022 |
9155 | 2^338757-82143 | 101977 | Stefano Morozzi | 03/2022 |
9156 | 2^338757+137007 | 101977 | Stefano Morozzi | 04/2022 |
9157 | 2^338755+158531 | 101976 | Stefano Morozzi | 03/2022 |
9158 | 2^338755+74081 | 101976 | Stefano Morozzi | 02/2023 |
9159 | 2^338752-153353 | 101975 | Stefano Morozzi | 01/2022 |
9160 | 2^338751+8001 | 101975 | Stefano Morozzi | 02/2022 |
9161 | 2^338752+32977 | 101975 | Stefano Morozzi | 02/2022 |
9162 | 2^338753-79233 | 101975 | Stefano Morozzi | 02/2022 |
9163 | 2^338752-88157 | 101975 | Stefano Morozzi | 12/2022 |
9164 | 2^338750-175625 | 101974 | Stefano Morozzi | 12/2021 |
9165 | 2^338747-2731 | 101974 | Stefano Morozzi | 12/2021 |
9166 | 2^338750-29597 | 101974 | Stefano Morozzi | 02/2022 |
9167 | 2^338748+35095 | 101974 | Stefano Morozzi | 03/2022 |
9168 | 2^338747+137475 | 101974 | Stefano Morozzi | 04/2022 |
9169 | 2^338747+162005 | 101974 | Stefano Morozzi | 04/2022 |
9170 | 2^338750+162237 | 101974 | Stefano Morozzi | 04/2022 |
9171 | 2^338747-184365 | 101974 | Stefano Morozzi | 04/2022 |
9172 | 2^338748+64341 | 101974 | Stefano Morozzi | 05/2022 |
9173 | 2^338750+24445 | 101974 | Stefano Morozzi | 02/2023 |
9174 | 2^338746+59577 | 101973 | Stefano Morozzi | 03/2022 |
9175 | 2^338746+62055 | 101973 | Stefano Morozzi | 04/2022 |
9176 | 2^338744+194065 | 101973 | Stefano Morozzi | 09/2022 |
9177 | 2^338741+25359 | 101972 | Stefano Morozzi | 12/2021 |
9178 | 2^338743+176981 | 101972 | Stefano Morozzi | 12/2021 |
9179 | 2^338741+183029 | 101972 | Stefano Morozzi | 02/2022 |
9180 | 2^338743-130309 | 101972 | Stefano Morozzi | 02/2022 |
9181 | 2^338741+86349 | 101972 | Stefano Morozzi | 04/2022 |
9182 | 2^338741+111561 | 101972 | Stefano Morozzi | 04/2022 |
9183 | 2^338743+172301 | 101972 | Stefano Morozzi | 11/2022 |
9184 | 2^338741-189969 | 101972 | Stefano Morozzi | 01/2023 |
9185 | 2^338739+76959 | 101971 | Stefano Morozzi | 12/2021 |
9186 | 2^338739-105957 | 101971 | Stefano Morozzi | 02/2022 |
9187 | 2^338739+190149 | 101971 | Stefano Morozzi | 05/2022 |
9188 | 2^338738+64947 | 101971 | Stefano Morozzi | 05/2022 |
9189 | 2^338740+119947 | 101971 | Stefano Morozzi | 11/2022 |
9190 | 2^338740-186837 | 101971 | Stefano Morozzi | 12/2022 |
9191 | 2^338737+127547 | 101970 | Stefano Morozzi | 12/2021 |
9192 | 2^338737+128591 | 101970 | Stefano Morozzi | 01/2022 |
9193 | 2^338735-153165 | 101970 | Stefano Morozzi | 01/2022 |
9194 | 2^338734+13719 | 101970 | Stefano Morozzi | 05/2022 |
9195 | 2^338734-138225 | 101970 | Stefano Morozzi | 12/2022 |
9196 | 2^338735-186129 | 101970 | Stefano Morozzi | 12/2022 |
9202 | 25295^10744+10744^25295 | 101969 | Hans Havermann | 01/2019 |
9203 | 25712^9243+9243^25712 | 101969 | Hans Havermann | 01/2019 |
9197 | 2^338731-150895 | 101969 | Stefano Morozzi | 12/2021 |
9198 | 2^338731+54911 | 101969 | Stefano Morozzi | 01/2022 |
9199 | 2^338731+85863 | 101969 | Stefano Morozzi | 03/2022 |
9200 | 2^338732+185047 | 101969 | Stefano Morozzi | 03/2022 |
9201 | 2^338733+193791 | 101969 | Stefano Morozzi | 09/2022 |
9204 | 2^338729+69221 | 101968 | Stefano Morozzi | 09/2022 |
9205 | 2^338728+123355 | 101968 | Stefano Morozzi | 11/2022 |
9206 | 2^338730-87063 | 101968 | Stefano Morozzi | 12/2022 |
9207 | 2^338726+128199 | 101967 | Stefano Morozzi | 01/2022 |
9208 | 2^338727+127745 | 101967 | Stefano Morozzi | 01/2022 |
9209 | 2^338724+32971 | 101967 | Stefano Morozzi | 02/2022 |
9210 | 2^338727+189683 | 101967 | Stefano Morozzi | 05/2022 |
9211 | 2^338727+118293 | 101967 | Stefano Morozzi | 09/2022 |
9212 | 2^338723-76651 | 101966 | Stefano Morozzi | 12/2021 |
9213 | 2^338721+79037 | 101966 | Stefano Morozzi | 01/2022 |
9214 | 2^338723-132621 | 101966 | Stefano Morozzi | 03/2022 |
9215 | 2^338722+137313 | 101966 | Stefano Morozzi | 04/2022 |
9216 | 2^338722+162915 | 101966 | Stefano Morozzi | 04/2022 |
9217 | 2^338723+199161 | 101966 | Stefano Morozzi | 02/2023 |
9218 | 2^338718-126861 | 101965 | Stefano Morozzi | 12/2021 |
9219 | 2^338718-109127 | 101965 | Stefano Morozzi | 04/2022 |
9224 | (71^55079-1)/70 | 101964 | Paul Bourdelais | 08/2017 |
9220 | 2^338714+30835 | 101964 | Stefano Morozzi | 01/2022 |
9221 | 2^338714+156715 | 101964 | Stefano Morozzi | 02/2022 |
9222 | 2^338715+19923 | 101964 | Stefano Morozzi | 09/2022 |
9223 | 2^338716+173253 | 101964 | Stefano Morozzi | 11/2022 |
9225 | 2^338711+125399 | 101963 | Stefano Morozzi | 12/2021 |
9226 | 2^338713-30895 | 101963 | Stefano Morozzi | 02/2022 |
9227 | 2^338712-132545 | 101963 | Stefano Morozzi | 03/2022 |
9228 | 2^338713+87825 | 101963 | Stefano Morozzi | 04/2022 |
9229 | 2^338712+190333 | 101963 | Stefano Morozzi | 06/2022 |
9230 | 2^338709-154429 | 101962 | Stefano Morozzi | 02/2022 |
9231 | 2^338710+140545 | 101962 | Stefano Morozzi | 06/2022 |
9232 | 2^338706-102917 | 101961 | Stefano Morozzi | 01/2022 |
9233 | 2^338705+34727 | 101961 | Stefano Morozzi | 03/2022 |
9234 | 2^338706-165633 | 101961 | Stefano Morozzi | 01/2023 |
9235 | 2^338707-116115 | 101961 | Stefano Morozzi | 01/2023 |
9236 | 2^338698+104083 | 101959 | Stefano Morozzi | 01/2022 |
9237 | 2^338700-184565 | 101959 | Stefano Morozzi | 04/2022 |
9238 | 2^338700+189777 | 101959 | Stefano Morozzi | 05/2022 |
9239 | 2^338698+41779 | 101959 | Stefano Morozzi | 09/2022 |
9240 | 2^338699+148533 | 101959 | Stefano Morozzi | 11/2022 |
9241 | 2^338700+97381 | 101959 | Stefano Morozzi | 11/2022 |
9242 | 2^338698-142181 | 101959 | Stefano Morozzi | 02/2023 |
9243 | 2^338696+181671 | 101958 | Stefano Morozzi | 02/2022 |
9244 | 2^338697+146651 | 101958 | Stefano Morozzi | 11/2022 |
9245 | 2^338695-116977 | 101958 | Stefano Morozzi | 02/2023 |
9246 | 2^338692+106297 | 101957 | Stefano Morozzi | 01/2022 |
9247 | 2^338692+33195 | 101957 | Stefano Morozzi | 02/2022 |
9248 | 2^338692+110505 | 101957 | Stefano Morozzi | 03/2022 |
9249 | 2^338692+190093 | 101957 | Stefano Morozzi | 05/2022 |
9250 | 2^338692+173343 | 101957 | Stefano Morozzi | 11/2022 |